Acoustic barrel for aircraft engine nacelle including crack and delamination stoppers
US7798285B2 · kind B2 · utility
26Cited by
30References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2008 |
| Grant date | Sep 21, 2010 |
| Priority date | — |
| Expiry date | Nov 14, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An acoustic inner barrel for an aircraft engine nacelle inlet is constructed from a composite material and is formed as a single, 360-degree annular segment. The barrel includes an inner skin, an outer skin, a cellular core disposed between the inner skin and the outer skin, and at least one crack and delamination stopper extending radially from the inner skin to the outer skin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.